Abstract
For Time Difference Of Arrival (TDOA) location based on multi-ground stations scene, two direct solution methods are proposed to solve the target position in TDOA location. Therein, the solving methods are realized in the rectangular and polar coordinates. On the condition of rectangular coordinates, first of all, it solves the radial range between the target and reference station, then calculates the location of the target. In the case of polar coordinates, the azimuth between the target and reference station is solved first, then the radial range between the target and reference station is figured out, finally the location of the target is obtained. Simultaneously, the simulation and comparison analysis are given in detail, and show that the polar solving method has the better fuzzy performance than that of rectangular coordinate.
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Supported by the National Natural Science Foundation of China (No. 60825104, 61072107), the National Postdoctor Fundation (No. 20090451251), the Shaanxi Industry Surmount Foundation (2009K08-31), and the Fundamental Research Funds for the Central Universities (JY10000-902025) of China.
Communication author: Li Chun, born in 1971, female, Ph.D. candidate, Research Fellow.
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Li, C., Liu, C. & Liao, G. Comparison of TDOA location algorithms with direct solution method. J. Electron.(China) 28, 652–657 (2011). https://doi.org/10.1007/s11767-012-0752-8
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DOI: https://doi.org/10.1007/s11767-012-0752-8